head	1.6;
access;
symbols
	release_4_2:1.6
	aix_ok:1.5
	Version_2_1:1.4
	Version_2:1.3
	C_Demo_1:1.3;
locks; strict;
comment	@ * @;


1.6
date	94.02.07.11.46.43;	author aoki;	state Exp;
branches;
next	1.5;

1.5
date	91.11.12.20.24.42;	author mer;	state Exp;
branches;
next	1.4;

1.4
date	90.08.17.08.54.05;	author cimarron;	state Exp;
branches;
next	1.3;

1.3
date	89.09.05.17.10.57;	author mao;	state Version_2;
branches;
next	1.2;

1.2
date	89.02.02.18.01.48;	author aoki;	state Stab;
branches;
next	1.1;

1.1
date	89.01.17.05.54.43;	author cimarron;	state Exp;
branches;
next	;


desc
@@


1.6
log
@proto fixes
@
text
@#ifndef	_PSORT_H_
#define	_PSORT_H_	"$Header: /import/faerie/faerie/aoki/postgres/src/backend/utils/RCS/psort.h,v 1.5 1991/11/12 20:24:42 mer Exp aoki $"

#define	SORTMEM		(1 << 18)		/* 1/4 M - any static memory */
#define	MAXTAPES	7			/* 7--See Fig. 70, p273 */
#define	TAPEEXT		"pg_psort.XXXXXX"	/* TEMPDIR/TAPEEXT */
#define	FREE(x)		free((char *) x)

struct	tape {
	int		tp_dummy;		/* (D) */
	int		tp_fib;			/* (A) */
	FILE		*tp_file;		/* (TAPE) */
	struct	tape	*tp_prev;
};

struct	cmplist {
	int			cp_attn;	/* attribute number */
	int			cp_num;		/* comparison function code */
	int			cp_rev;		/* invert comparison flag */
	struct	cmplist		*cp_next;	/* next in chain */
};

extern	struct	cmplist		*CmpList;
extern	int			SortMemory;	/* free memory */

#ifdef	EBUG
#include <stdio.h>
#include "utils/log.h"
#include "storage/buf.h"
#include "storage/bufmgr.h"

#define	PDEBUG(PROC, S1)\
elog(DEBUG, "%s:%d>> PROC: %s.", __FILE__, __LINE__, S1)

#define	PDEBUG2(PROC, S1, D1)\
elog(DEBUG, "%s:%d>> PROC: %s %d.", __FILE__, __LINE__, S1, D1)

#define	PDEBUG4(PROC, S1, D1, S2, D2)\
elog(DEBUG, "%s:%d>> PROC: %s %d, %s %d.", __FILE__, __LINE__, S1, D1, S2, D2)

#define	VDEBUG(VAR, FMT)\
elog(DEBUG, "%s:%d>> VAR =FMT", __FILE__, __LINE__, VAR)

#define	ASSERT(EXPR, STR)\
if (!(EXPR)) elog(FATAL, "%s:%d>> %s", __FILE__, __LINE__, STR)

#define	TRACE(VAL, CODE)\
if (1) CODE; else

#else
#define	PDEBUG(MSG)
#define	VDEBUG(VAR, FMT)
#define	ASSERT(EXPR, MSG)
#define	TRACE(VAL, CODE)
#endif

/* psort.c */
extern bool psort ARGS((Relation oldrel, Relation newrel, int nkeys, struct skey key[]));
extern int initpsort ARGS((void));
extern int resetpsort ARGS((void));
extern int initialrun ARGS((Relation rdesc));
extern bool createrun ARGS((HeapScanDesc sdesc, FILE *file));
extern HeapTuple tuplecopy ARGS((HeapTuple tup, Relation rdesc, Buffer b));
extern FILE *mergeruns ARGS((void));
extern int merge ARGS((struct tape *dest));
extern int endpsort ARGS((Relation rdesc, FILE *file));
extern FILE *gettape ARGS((void));
extern int resettape ARGS((FILE *file));
extern int destroytape ARGS((FILE *file));

#endif
@


1.5
log
@prototyping changes
@
text
@d2 1
a2 1
#define	_PSORT_H_	"$Header: /users/mer/postgres/src/lib/H/utils/RCS/psort.h,v 1.4 1990/08/17 08:54:05 cimarron Exp mer $"
d9 7
d58 12
a69 11
bool psort ARGS((
	Relation oldrel,
	Relation newrel,
	int nkeys,
	struct skey key []
));
int initpsort ARGS((void ));
int resetpsort ARGS((void ));
HeapTuple tuplecopy ARGS((HeapTuple tup , Relation rdesc , Buffer b ));
int merge ARGS((struct tape *dest ));
int endpsort ARGS((Relation rdesc , FILE *file ));
@


1.4
log
@added pathnames to #include statements
@
text
@d2 1
a2 1
#define	_PSORT_H_	"$Header: RCS/psort.h,v 1.3 89/09/05 17:10:57 mao Version_2 Locker: cimarron $"
d49 13
@


1.3
log
@Working version of C-only demo
@
text
@d2 1
a2 1
#define	_PSORT_H_	"$Header: /usr6/postgres/mao/postgres/src/lib/H/RCS/psort.h,v 1.2 89/02/02 18:01:48 aoki Stab $"
a19 1
#include <log.h>	
d21 3
a23 2
#include <buf.h>
#include <bufmgr.h>
@


1.2
log
@MERGE WITH OLD TREE
@
text
@d2 1
a2 1
#define	_PSORT_H_	"$Header: psort.h,v 2.1 88/02/11 22:37:45 aoki Locked $"
@


1.1
log
@Initial revision
@
text
@a0 27

; /*
; * 
; * POSTGRES Data Base Management System
; * 
; * Copyright (c) 1988 Regents of the University of California
; * 
; * Permission to use, copy, modify, and distribute this software and its
; * documentation for educational, research, and non-profit purposes and
; * without fee is hereby granted, provided that the above copyright
; * notice appear in all copies and that both that copyright notice and
; * this permission notice appear in supporting documentation, and that
; * the name of the University of California not be used in advertising
; * or publicity pertaining to distribution of the software without
; * specific, written prior permission.  Permission to incorporate this
; * software into commercial products can be obtained from the Campus
; * Software Office, 295 Evans Hall, University of California, Berkeley,
; * Ca., 94720 provided only that the the requestor give the University
; * of California a free licence to any derived software for educational
; * and research purposes.  The University of California makes no
; * representations about the suitability of this software for any
; * purpose.  It is provided "as is" without express or implied warranty.
; * 
; */



d2 1
a2 1
#define	_PSORT_H_	"$Header: psort.h,v 1.1 88/11/11 16:42:21 postgres Exp $"
@